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Dom Vice Admiral

Joined: 12 Feb 2003 Posts: 3357 Location: Northern Ireland
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Posted: Thu Sep 18, 2003 2:17 pm Post subject: Encryption Challenge #3 [SOLVED] |
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This encryption is of a popular computer game.
0100000101000111010001010010000001001111
0100011000100000010011010101100101010100
0100100001001111010011000100111101000111
01011001
You should read the 4 lines as 1 big line. I had to break them up as it made the message body screen too big.
I don't think it will take you very long to get this one!
Last edited by Dom on Tue Sep 23, 2003 12:54 pm; edited 1 time in total |
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Joshua Vice Admiral

Joined: 22 Nov 2002 Posts: 3245 Location: Australia
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Posted: Thu Sep 18, 2003 10:47 pm Post subject: |
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| Is it encrypted in capital or small case letters? |
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Dom Vice Admiral

Joined: 12 Feb 2003 Posts: 3357 Location: Northern Ireland
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Posted: Thu Sep 18, 2003 10:48 pm Post subject: |
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| Joshua wrote: | | Is it encrypted in capital or small case letters? |
CAPITALS |
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Joshua Vice Admiral

Joined: 22 Nov 2002 Posts: 3245 Location: Australia
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Posted: Thu Sep 18, 2003 10:50 pm Post subject: |
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| Well it can't read from left to right because capital letters start with 1...hmmm... |
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Dom Vice Admiral

Joined: 12 Feb 2003 Posts: 3357 Location: Northern Ireland
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Posted: Thu Sep 18, 2003 10:54 pm Post subject: |
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| Joshua wrote: | | Well it can't read from left to right because capital letters start with 1...hmmm... |
Really? |
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Joshua Vice Admiral

Joined: 22 Nov 2002 Posts: 3245 Location: Australia
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Posted: Thu Sep 18, 2003 10:56 pm Post subject: |
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| Yeah, well for example: A = 1000001 and Z = 1011010 |
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Dom Vice Admiral

Joined: 12 Feb 2003 Posts: 3357 Location: Northern Ireland
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Posted: Thu Sep 18, 2003 11:40 pm Post subject: |
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| Joshua wrote: | | Yeah, well for example: A = 1000001 and Z = 1011010 |
That would make each letter 7 bits long. I seem to remember 8 bits being used, as ascii values go from 0 to 255. |
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Joshua Vice Admiral

Joined: 22 Nov 2002 Posts: 3245 Location: Australia
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Posted: Thu Sep 18, 2003 11:49 pm Post subject: |
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I always thought that 8 digits were used for certain numbers.
Anyway, my book says that each capital letter is 7 digits. |
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Dom Vice Admiral

Joined: 12 Feb 2003 Posts: 3357 Location: Northern Ireland
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Posted: Fri Sep 19, 2003 12:02 am Post subject: |
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If you drop the leading zero then yes they all begin with 1.
Now stop arguing with me. |
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Joshua Vice Admiral

Joined: 22 Nov 2002 Posts: 3245 Location: Australia
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Posted: Fri Sep 19, 2003 12:11 am Post subject: |
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I'm not trying to argue with you, mate. I'm just saying what the book says.
Anyway, the answer to the Encryption is Age of Mythology. |
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Daniel President

Joined: 27 Aug 2002 Posts: 5365 Location: New Zealand
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Posted: Fri Sep 19, 2003 12:43 am Post subject: |
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The lettes are 8 bits, if your book only lists 7 then it is dropping the leading 0's as Manxdom said.
I haven't checked what you have put, but it could well be correct. |
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Joshua Vice Admiral

Joined: 22 Nov 2002 Posts: 3245 Location: Australia
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Posted: Fri Sep 19, 2003 7:28 am Post subject: |
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| Yeah, it probably did. 8 digits is in fact correct (obviously). I found that on the internet just recently. |
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Dom Vice Admiral

Joined: 12 Feb 2003 Posts: 3357 Location: Northern Ireland
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Posted: Fri Sep 19, 2003 8:35 am Post subject: |
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| Joshua wrote: | I'm not trying to argue with you, mate. I'm just saying what the book says.
Anyway, the answer to the Encryption is Age of Mythology. |
You have got the correct game, but technically you are not correct. |
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Joshua Vice Admiral

Joined: 22 Nov 2002 Posts: 3245 Location: Australia
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Posted: Sat Sep 20, 2003 9:21 am Post subject: |
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| How can that be?? hmm... |
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Daniel President

Joined: 27 Aug 2002 Posts: 5365 Location: New Zealand
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Posted: Sun Sep 21, 2003 5:58 am Post subject: |
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Actually your book could well talk about 7 bit ascii codes.
I had forgotten something, sometimes back in the 80's things were made to use 7 bit ascii to save space. Since all the main letters and stuff come in the first 7 bits of the ascii set.
An example of something which uses 7 bit ascii.
Every email you send, regardless of whether it is HTML or PLAIN TEXT and every attachment be it a binary picture or program, they all get encoded into 7 bit ascii before they are sent.
This is due to the old nature of SMTP. |
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